16-letter words containing r, e, p, i, o

proficiency test — an exam which test how proficient or skilled someone is in a particular activity, field of study, language, etc
program director — a chief executive responsible for selecting and scheduling programs.
programme editor — someone responsible for editing, overseeing and selecting the content of radio or television programmes
progressive jazz — an experimental, nonmelodic, and often free-flowing style of modern jazz, especially in the form of highly dissonant, rhythmically complex orchestral arrangements. Compare bop1 , cool jazz, hard bop, modern jazz.
progressive jpeg — (graphics, file format) (PJPEG) An implementation of JPEG that supports progressive coding.
progressive lens — a multifocal eyeglass lens that provides a continuous range of focal power between near and far distances.
project guardian — (project, security) A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
project planning — project management
projected window — a casement window in which the inner end of the sash slides along a track on the sill as the sash swings outward.
projection booth — a soundproof compartment in a theater where a motion-picture projector is housed and from which the picture is projected on the screen.
projection paper — sensitized paper for recording a projected image.
projection print — a print made by the projection of an image onto sensitized paper.
projective plane — (mathematics) The space of equivalence classes of vectors under non-zero scalar multiplication. Elements are sets of the form {kv: k != 0, k scalar, v != O, v a vector} where O is the origin. v is a representative member of this equivalence class. The projective plane of a vector space is the collection of its 1-dimensional subspaces. The properties of the vector space induce a topology and notions of smoothness on the projective plane. A projective plane is in no meaningful sense a plane and would therefore be (but isn't) better described as a "projective space".
prolonged-action — sustained-release.
promiscuous mode — (networking) Where a node on a network accepts all packets, regardless of their destination address.
promotional code — A promotional code is a code offered by retailers to customers who can use it to receive a discounted price when buying products online.
proper adjective — an adjective formed from a proper noun, as American from America.
proprietary name — a name of a product or service that is protected by a patent, copyright, or trademark and cannot be used by another party for commercial purposes without permission of the registered owner or licensee.
prosecution case — the case brought against someone by a legal authority
prospect heights — a town in N Illinois.
prosthetic group — the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.
protection money — law: criminal fee
protection order — a legal instruction by a court directing a person not to harm or harass a particular individual
protection ratio — the minimum acceptable ratio between the amplitudes of a wanted radio or television broadcast signal and any interfering signal
protective slope — a slope given to a yard or the like to drain surface water away from a building.
protestant ethic — work ethic.
proxima centauri — the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
proxime accessit — the person coming next after the winner in a competitive examination or an academic prize giving; runner-up
pseudo-isidorian — of or relating to the collection of documents of the 9th century a.d. that consist chiefly of the Decretals, attributed to Isidore, archbishop of Seville, a.d. 600–36, and that were rejected as spurious in the 15th century.
pseudo-patriotic — of, like, suitable for, or characteristic of a patriot.
pseudo-realistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
pseudo-religious — of, relating to, or concerned with religion: a religious holiday.
pseudo-spiritual — of, relating to, or consisting of spirit; incorporeal.
pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
pseudoperipteral — having a freestanding colonnade at each end, with engaged columns at the sides.
psychogeriatrics — the psychology of old age.
public ownership — ownership by the state; nationalization
public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
pullorum disease — a highly contagious, frequently fatal disease of young poultry caused by the bacterium Salmonella gallinarum (pullorum), transmitted by the infected hen during egg production, and characterized by weakness, loss of appetite, and diarrhea.
purchasing power — Also called buying power. the ability to purchase goods and services.
put one's oar in — to interfere or interrupt
pyloric stenosis — an abnormal narrowing of the valve at the outlet from the stomach, preventing normal passage of food into the small intestine.
pyroracemic acid — pyruvic acid.
radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
radiotransparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
re-apportionment — the act of redistributing or changing the apportionment of something.
re-appropriation — the act of appropriating.
recapitalization — a revision of a corporation's capital structure by an exchange of securities.

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